diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cb4e0af..a3e5499 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,14 +14,14 @@ jobs:
 
     steps:
 
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
 
       - name: Set up JDK 13
         uses: actions/setup-java@v1
         with:
           java-version: 13
 
-      - uses: actions/cache@v1
+      - uses: actions/cache@v2
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
diff --git a/pom.xml b/pom.xml
index d679c4e..fc96cf2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,9 +26,9 @@
 
     <dependencies>
         <dependency>
-            <groupId>net.i2p.crypto</groupId>
-            <artifactId>eddsa</artifactId>
-            <version>0.3.0</version>
+            <groupId>org.c02e.jpgpj</groupId>
+            <artifactId>jpgpj</artifactId>
+            <version>1.0</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -75,7 +75,7 @@
         <dependency>
             <groupId>org.apache.sshd</groupId>
             <artifactId>sshd-sftp</artifactId>
-            <version>2.5.1</version>
+            <version>2.6.0</version>
         </dependency>
         <dependency>
             <groupId>commons-io</groupId>
@@ -131,7 +131,7 @@
         </dependency>
         <dependency>
             <groupId>io.findify</groupId>
-            <artifactId>s3mock_2.12</artifactId>
+            <artifactId>s3mock_2.13</artifactId>
             <version>0.2.6</version>
             <scope>test</scope>
         </dependency>
diff --git a/src/main/java/se/nbis/lega/inbox/configuration/SFTPConfiguration.java b/src/main/java/se/nbis/lega/inbox/configuration/SFTPConfiguration.java
index e64f535..0c816b3 100644
--- a/src/main/java/se/nbis/lega/inbox/configuration/SFTPConfiguration.java
+++ b/src/main/java/se/nbis/lega/inbox/configuration/SFTPConfiguration.java
@@ -9,8 +9,8 @@
 import org.apache.sshd.server.auth.pubkey.PublickeyAuthenticator;
 import org.apache.sshd.server.auth.pubkey.UserAuthPublicKeyFactory;
 import org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider;
-import org.apache.sshd.server.subsystem.sftp.SftpEventListener;
-import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
+import org.apache.sshd.sftp.server.SftpEventListener;
+import org.apache.sshd.sftp.server.SftpSubsystemFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
diff --git a/src/main/java/se/nbis/lega/inbox/pojo/KeyAlgorithm.java b/src/main/java/se/nbis/lega/inbox/pojo/KeyAlgorithm.java
index 8c7419c..387c222 100644
--- a/src/main/java/se/nbis/lega/inbox/pojo/KeyAlgorithm.java
+++ b/src/main/java/se/nbis/lega/inbox/pojo/KeyAlgorithm.java
@@ -5,6 +5,6 @@
  */
 public enum KeyAlgorithm {
 
-    RSA, DSS, ED25519
+    RSA, ED25519
 
 }
diff --git a/src/main/java/se/nbis/lega/inbox/s3/S3SftpEventListener.java b/src/main/java/se/nbis/lega/inbox/s3/S3SftpEventListener.java
index 2f5338b..cedc4e1 100644
--- a/src/main/java/se/nbis/lega/inbox/s3/S3SftpEventListener.java
+++ b/src/main/java/se/nbis/lega/inbox/s3/S3SftpEventListener.java
@@ -2,7 +2,7 @@
 
 import lombok.extern.slf4j.Slf4j;
 import org.apache.sshd.server.session.ServerSession;
-import org.apache.sshd.server.subsystem.sftp.Handle;
+import org.apache.sshd.sftp.server.Handle;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
 import org.springframework.stereotype.Component;
diff --git a/src/main/java/se/nbis/lega/inbox/sftp/InboxSftpEventListener.java b/src/main/java/se/nbis/lega/inbox/sftp/InboxSftpEventListener.java
index 3bafc72..586fa76 100644
--- a/src/main/java/se/nbis/lega/inbox/sftp/InboxSftpEventListener.java
+++ b/src/main/java/se/nbis/lega/inbox/sftp/InboxSftpEventListener.java
@@ -7,9 +7,9 @@
 import org.apache.commons.io.FilenameUtils;
 import org.apache.http.entity.ContentType;
 import org.apache.sshd.server.session.ServerSession;
-import org.apache.sshd.server.subsystem.sftp.FileHandle;
-import org.apache.sshd.server.subsystem.sftp.Handle;
-import org.apache.sshd.server.subsystem.sftp.SftpEventListener;
+import org.apache.sshd.sftp.server.FileHandle;
+import org.apache.sshd.sftp.server.Handle;
+import org.apache.sshd.sftp.server.SftpEventListener;
 import org.springframework.amqp.rabbit.core.RabbitTemplate;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
@@ -124,7 +124,7 @@ public void linked(ServerSession session, Path source, Path target, boolean symL
      */
     @Override
     public void modifiedAttributes(ServerSession session, Path path, Map<String, ?> attrs, Throwable thrown) {
-        log.info("User {} modified attributes of {}: ", session.getUsername(), path, attrs);
+        log.info("User {} modified attributes of {} {}: ", session.getUsername(), path, attrs);
     }
 
     /**
diff --git a/src/test/java/se/nbis/lega/inbox/sftp/InboxAuthenticatorTest.java b/src/test/java/se/nbis/lega/inbox/sftp/InboxAuthenticatorTest.java
index b0637f6..f818e45 100644
--- a/src/test/java/se/nbis/lega/inbox/sftp/InboxAuthenticatorTest.java
+++ b/src/test/java/se/nbis/lega/inbox/sftp/InboxAuthenticatorTest.java
@@ -81,15 +81,6 @@ public void authenticatePublicKeyRSA() throws IOException, URISyntaxException {
         assertNotNull(ssh.newSFTPClient());
     }
 
-    @Test
-    public void authenticatePublicKeyDSS() throws IOException, URISyntaxException {
-        mockCEGAEndpoint(username, password, PasswordHashingAlgorithm.BLOWFISH, KeyAlgorithm.DSS, HttpStatus.OK);
-        ClassLoader classloader = Thread.currentThread().getContextClassLoader();
-        File privateKey = new File(classloader.getResource(KeyAlgorithm.DSS.name().toLowerCase() + ".sec").toURI());
-        ssh.authPublickey(username, privateKey.getPath());
-        assertNotNull(ssh.newSFTPClient());
-    }
-
     @Test
     public void authenticatePublicKeyED25519() throws IOException, URISyntaxException {
         mockCEGAEndpoint(username, password, PasswordHashingAlgorithm.BLOWFISH, KeyAlgorithm.ED25519, HttpStatus.OK);
@@ -103,7 +94,7 @@ public void authenticatePublicKeyED25519() throws IOException, URISyntaxExceptio
     public void authenticatePublicKeyFail() throws IOException, URISyntaxException {
         mockCEGAEndpoint(username, password, PasswordHashingAlgorithm.BLOWFISH, KeyAlgorithm.RSA, HttpStatus.OK);
         ClassLoader classloader = Thread.currentThread().getContextClassLoader();
-        File privateKey = new File(classloader.getResource("dss.sec").toURI());
+        File privateKey = new File(classloader.getResource("rsa.sec").toURI());
         ssh.authPublickey(username, privateKey.getPath());
         assertNotNull(ssh.newSFTPClient());
     }
diff --git a/src/test/resources/dss.sec b/src/test/resources/dss.sec
deleted file mode 100644
index b29c637..0000000
--- a/src/test/resources/dss.sec
+++ /dev/null
@@ -1,12 +0,0 @@
------BEGIN DSA PRIVATE KEY-----
-MIIBuwIBAAKBgQDLHZq04FbrOBMh0IXpShKC1bSb21PAwsQuKA1cueFH1vA/ZiTU
-z0MLs8Banl3RL/Za/u+Hwp4nuUMDpCA7KU5wGLOUcZOmUnvcm7x7BjhxVGiTMI2Z
-VhkQVGJd6Tptv1TEzviu2BlcpcvyQ9B9drludf9AUo3P0n7XJdwKhLW28wIVAIP6
-IU6C8CGyGevAN3tGSWsgUhZjAoGBALz2FGacbQqm/mI+38va4qT/ZvkF3XbXngFT
-rSI9XF1ym6iFBuNtCMQRdIaKQGbNfw7XWTz++HIlOvqPybKBbuAVdDoLtoqWETwa
-VdS0K7QQBa+M7+cJhRQGaukPkqYS7mCBNcceuNiwR8ANnuyp/+abVSN5DbTfUOFN
-fws6q5luAoGAERwINHXDi4q42dsxcA59CsWQdefjSU1INa8gREaEdPjclZG8+1z+
-3n+TePR5sin2rpGLfNZYUeR0eC94z0puwqf53wmf2FCzaFV1Gfy149RjAwkHKGmO
-G0eldkDNd9ZIl008THC+zbeidl9nB723Vk6aJWJWyOZvKY4e3TbZuMECFA+SkHp4
-EX8OviXE6waqQ5BZU2GV
------END DSA PRIVATE KEY-----
diff --git a/src/test/resources/dss.ssh b/src/test/resources/dss.ssh
deleted file mode 100644
index 7d083fc..0000000
--- a/src/test/resources/dss.ssh
+++ /dev/null
@@ -1 +0,0 @@
-ssh-dss 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